I think, for me, it's very important to have a good team and to feel comfortable in the environment.

There's really not much friendship between the girls on tour. There's so much rivalry and jealousy, so everyone just hangs out in their own camp. In the locker room and players' lounge, you can feel the jealousy.

Once I became number one, I started working even harder. I changed my technique, but injuries started creeping in - it was a big mistake, as I was doing something right to get to that spot in the first place.

Ana Ivanovic Quotes